Tehuantepec Forecast

July 3, 2026, 3:01 am (UTC: -04:00)
Subject: Tehuantepec Forecast

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This forecast has not been reviewed. It was generated from an automatic model.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM DOUGLAS NEAR 18.8N 127.6W 1003 MB AT 0300 UTC
JUL 03 MOVING NNW OR 345 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 35
KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM OF
CENTER EXCEPT 0 NM SW QUADRANT. SEAS 4 M OR GREATER WITHIN 75 NM
S SEMICIRCLE...100 NM NE QUADRANT AND 90 NM NW QUADRANT WITH
SEAS TO 4.5 M. ELSEWHERE WITHIN 21N123W TO 23N128W TO 22N132W TO
19N132W TO 17N128W TO 17N126W TO 21N123W WINDS 20 TO 33 KT. SEAS
2.5 TO 4.0 M. REMAINDER OF AREA WITHIN 21N121W TO 25N132W TO
21N138W TO 14N140W TO 11N131W TO 14N123W TO 21N121W WINDS 20 KT
OR LESS. SEAS TO 2.5 M IN MIXED SWELL.
.12 HOUR FORECAST POST-TROPICAL REMNANT LOW DOUGLAS NEAR 19.7N
127.9W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW DOUGLAS NEAR 20.7N
128.4W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 22N126W
TO 24N127W TO 25N129W TO 23N131W TO 21N132W TO 20N127W TO
22N126W NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M IN N TO NE
SWELL. ELSEWHERE WITHIN 23N122W TO 26N127W TO 28N136W TO 19N137W
TO 13N131W TO 23N122W NE WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M
IN N TO NE SWELL.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW DOUGLAS NEAR 22.5N 130.3W.
MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 24N130W TO 25N130W
TO 25N131W TO 23N133W TO 22N133W TO 22N131W TO 24N130W NE WINDS
20 TO 25 KT. SEAS 2.5 TO 3.0 M IN N TO NE SWELL. ELEWHERE WITHIN
27N129W TO 27N136W TO 24N138W TO 18N135W TO 18N133W TO 21N128W TO
27N129W NE WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE
SWELL.

FRESH TO STRONG GAP WINDS WITH LOCALLY ROUGH SEAS
ARE PULSING ACROSS THE GULF OF TEHUANTEPEC, BETWEEN HIGH PRESSURE
NORTH OF THE REGION AND LOWER PRESSURE OVER THE TROPICS.
ASSOCIATED SEAS ARE REACHING 8 FT IN THE PLUME OF THESE GAP
WINDS. FARTHER NORTH, A RIDGE OFF BAJA CALIFORNIA WILL MAINTAIN
GENTLE TO MODERATE BREEZES, WITH 4-6 FT SEAS OFF BAJA. GENTLE
BREEZES AND SLIGHT SEAS ARE NOTED ELSEWHERE.
FOR THE FORECAST, FRESH TO STRONG GAP WINDS WITH LOCALLY ROUGH
SEAS WILL PULSE ACROSS THE GULF OF TEHUANTEPEC TONIGHT AND AGAIN
FRI NIGHT, BETWEEN HIGH PRESSURE NORTH OF THE REGION AND LOWER
PRESSURE OVER THE TROPICS. FARTHER NORTH, A RIDGE OFF BAJA
CALIFORNIA WILL MAINTAIN GENTLE TO MODERATE BREEZES THROUGH SAT,
BECOMING MODERATE TO OCCASIONALLY FRESH NEAR THE COAST OF BAJA
CALIFORNIA STARTING SUN AS THE HIGH PRESSURE BUILDS. LOOKING
AHEAD, LARGE SW SWELL MAY REACH THE WATERS OFF SOUTHERN MEXICO
EARLY NEXT WEEK.

SHORT-TERM TEHUANTEPEC
TODAY - NNW 8-10, Seas SSW 1.5-5.2 ft @ 15sec
TONITE - NNW 14-17, Seas SSW --? ft @ 15sec
SATURDAY - Not available yet
SATURDAY NIGHT - Not available yet

LONG-TERM TEHUANTEPEC
SUNDAY - Not available yet
MONDAY - SSE 11-14, Seas SSW 2.9-6 ft @ 19sec
TUESDAY - SSE 5-6, Seas SSW 4.1-7.1 ft @ 18sec
WEDNESDAY - NNW 19-24, Seas N/A ?-? ft @ ?
THURSDAY - NW 20-25, Seas N/A ?-? ft @ ?